The week in pictures: 6 July 2012

A scavenger bobs around on a giant ocean of rubbish on one of the world's most polluted waterways. The makeshift vessel carves a path through rubbish on the River Sentiong in Jakarta, Indonesia. The river, which winds through the capital city, has been dubbed the 'River of Refuse'.Picture: Sinar Sakti Images / Barcroft Media